What are the legal and political impacts of the Justinian code on our world today?

The legal of opinions and laws of the Roman Empire where compiled (termed as Justinian code) and used by the leaders that made it clear that all the Power of the area would be centralized and would come under the centralized legal system. This opinion is being used politically at many places throughout the world. Justinian code has made a major legal impact in many civil laws that are being followed by countries today.